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    BLUE COLOURING AGENT FOR ELECTROPHOTOGRAPHY
    11.
    发明专利
    BLUE COLOURING AGENT FOR ELECTROPHOTOGRAPHY 未知

    公开(公告)号：AU605475B2

    公开(公告)日：1991-01-17

    申请号：AU6895787

    申请日：1987-01-07

    Applicant: HOECHST AG

    Inventor： MACHOLDT HANS-TOBIAS ,  SIEBER ALEXANDER

    IPC: G03G9/097 ,  G03G9/00 ,  G03G9/09 ,  G03G9/08 ,  G03G9/135

    Abstract: PCT No. PCT/EP87/00003 Sec. 371 Date Jun. 1, 1989 Sec. 102(e) Date Jun. 1, 1989 PCT Filed Jan. 7, 1987 PCT Pub. No. WO88/04442 PCT Pub. Date Jun. 16, 1988.Blue coloring agent with positive control effect for electrophotographic copying processes, composed essentially of the compound of the formula the X-ray diffraction diagram of which contains a strong band at 2 DEG (CuK alpha )=18.47, three medium-strong bands at 2 DEG (CuK alpha )=5.97, 12.01 and 13.90 and weak broad bands at 2 DEG (CuK alpha )=20.0, 21.7, 22.5, 24.8, 28.2, 30.7 and 32.2, and the use of the coloring agent for the production of toners and developers which are used for the electrophotographic copying or duplication of originals, and also for the printing of electronically, optically or magnetically stored information or in color proofing.

    12.
    发明专利
    未知

    公开(公告)号：DK453789A

    公开(公告)日：1990-03-16

    申请号：DK453789

    申请日：1989-09-14

    Applicant: HOECHST AG

    Inventor： MACHOLDT HANS-TOBIAS ,  SIEBER ALEXANDER ,  SCHUI FRANZ ,  DEUBEL REINHOLD

    IPC: C09B41/00 ,  C09B63/00 ,  C09B67/18 ,  C09B67/20 ,  C09D5/46 ,  G03G9/09 ,  G03G9/097 ,  C09B67/36 ,  G03G9/00

    Abstract: Process for specifically influencing the triboelectric effect of azo pigments in electrophotographic toners or developers or in powders for surface coating by adding to the azo pigments at the coupling reaction stage, at the laking stage or in the course of finishing at least one saltlike, cationic compound whose positively charged center is a nitrogen, phosphorus, arsenic or antimony atom or the group and use of such azo pigments for producing toners or developers used for the electrophotographic copying or manifolding of originals or for printing electronically, optically or magnetically stored data or in colorproofing or use of such azo pigments for producing powders or powder coatings used for the surface coating of articles made of metal, wood, plastics, glass, ceramics, concrete, textile material, paper or rubber.

    POLYESTER SALTS AND THEIR USE AS CHARGE CONTROL AGENTS
    15.
    发明专利
    POLYESTER SALTS AND THEIR USE AS CHARGE CONTROL AGENTS 未知

    公开(公告)号：CA2132577A1

    公开(公告)日：1995-03-23

    申请号：CA2132577

    申请日：1994-09-21

    Applicant: HOECHST AG

    Inventor： MACHOLDT HANS-TOBIAS ,  BAUR RUEDIGER ,  ZOELLER JOACHIM

    IPC: C08G63/68 ,  C08G63/685 ,  C08G63/688 ,  C08G63/91 ,  C09D5/03 ,  C09D5/46 ,  C09D167/00 ,  D06M15/507 ,  G03G9/087 ,  G03G9/097 ,  H01G7/02 ,  G03G9/10

    Abstract: Polyester salts and their use as charge control agents Polymer salts whose anionic component is a polyester which comprises the product of reaction of the individual components a), b) and c) and if desired d) and if desired e), where a) is a dicarboxylic acid or a reactive derivative of a dicarboxylic acid, being free from sulfo groups, b) is a difunctional aromatic, aliphatic or cyclo aliphatic sulfo compound whose functional groups are hydroxyl or carboxyl, or hydroxyl and carboxyl, c) is an aliphatic, cycloaliphatic or aromatic diol, a polyetherdiol or a polycarbonatediol, d) is a polyfunctional compound (functionality > 2) whose functional groups are hydroxyl or carboxyl, or hydroxyl and carboxyl, and e) is a monocarboxylic acid and whose cationic component comprises hydrogen atoms, metal cations, substituted ammonium cations, immonium cations, guanidinium cations, phosphonium, arsonium or stibonium cations or a mixture of the abovementioned cations, are suitable as charge control agents and charge improvers in electrophotographic toners and developers, in triboelectrically or electrokinetically sprayable powder coatings, in electret materials and for the electrostatic separation of polymers and salt minerals.

    CYCLIC POLYSULFONYLDIALLYLAMMONIUM SALTS
    20.
    发明专利
    CYCLIC POLYSULFONYLDIALLYLAMMONIUM SALTS 未知

    公开(公告)号：CA2114505A1

    公开(公告)日：1994-07-31

    申请号：CA2114505

    申请日：1994-01-28

    Applicant: HOECHST AG

    Inventor： BAUR RUEDIGER ,  MACHOLDT HANS-TOBIAS ,  THEISS WILFRIED

    IPC: C08G73/06 ,  C08G75/00 ,  C08G75/22 ,  C09D5/03 ,  C09D5/46 ,  D06P1/642 ,  G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  C08G75/20 ,  G03G9/113

    Abstract: Cyclic polysulfonyldiallylammonium salts Cyclic polysulfonyldiallylammonium salts which are obtainable by a) copolymerization of salts, preferably halides, of monomeric diallylammonium components of the formula (I) ( I ) with sulfur dioxide or a compound which liberates sulfur dioxide, and b) anion exchange, the anions, preferably the halide ions, of the diallylammonium components being completely or partially replaced by the anions A, the diallylammonium components being in each case cyclized to give a five- or six-membered ring and being connected to one another by one or more divalent radicals -SO2- to form polymers, the polysulfonyldiallylammonium salts having a molecular weight of between 500 and 5,000,000, and the ratio of the number of diallylammonium components to the number of divalent SO2 radicals being from 1:0.01 to 1:100, and A is in each case the stoichiometric anion equivalent of an inorganic anion; of an anion of a heteropolyacid or of a borate of the formula (II) or of an organic anion, or a disulfopyrrolidinium betaine of the formula (III) or A is a combination of the abovementioned anions; are employed individually or in combination as charge control agents in electrophotographic toners and developers which are employed for copying and reproducing originals and for printing electronically, magnetically or optically stored information or in colorproofing, and as charge control agents in powders and powder coatings.

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